A Boxplot Is Better Than a Statistic Such as the Mean

question 2

Multiple Choice

A boxplot is better than a statistic such as the mean when your purpose is

• A) to describe the central tendency of a population.
• B) to describe the variability of a population.
• C) to understand what a distribution of data looks like.
• D) It is only worthwhile if you care only about medians.

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Definitions:

Sampling Distribution

Likelihood patterns of a specific statistic that are based on randomly chosen samples.

Normally Distributed

Describes a probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Approximately Normally Distributed

Refers to a data set or population that closely follows a normal distribution, characterized by a bell-shaped curve.

Z-score

A statistical measure that describes a value's relationship to the mean of a group of values, measured in terms of standard deviations from the mean.